Answer:
irrational, not a perfect square.
Step-by-step explanation:
The circumference is about 3.14 (

) times bigger than twice the radius. Mathematically, this can be writted as

, where C equals the circumference and r equals the radius, or

where C equals the circumference and d equals the radius.
Greetings and Happy Holidays!
The
Formula for the Volume of a Sphere is:

Input the value of the radius (

):
Solve using the Order of Operations:


The Answer Is:
I hope this helped!
-Benjamin
0.9 ..............................
It would hafta be answer choice D